Answer:
The climate of the earth throughout history has always been <em><u>fluctuated between hot and cold periods. </u></em>
Answer:
atoms
Explanation:
All matter is made of elementary particles called "atoms".
It is in equilibrium if its velocity is not changing.
Answer:

Explanation:
For answer this we will use the paralell axis theorem:
I= 
Where
is the moment of inertia of the center of mass, M is the mass of the sphere and d is the distance between the center of mass and the axis for rotate, then:

